The present invention relates composite core/shell nanoparticles and a two-step method for their preparation. The present invention further relates to biomolecule-core/shell nanoparticle conjugates and methods for their preparation. The invention also relates to methods of detection of biomolecules comprising...http://www.google.com.au/patents/US20040038255?utm_source=gb-gplus-sharePatent US20040038255 - Non-alloying core shell nanoparticles
